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WO2008103982A3 - Système et procédé pour surveiller une thérapie photodynamique - Google Patents

Système et procédé pour surveiller une thérapie photodynamique Download PDF

Info

Publication number
WO2008103982A3
WO2008103982A3 PCT/US2008/054874 US2008054874W WO2008103982A3 WO 2008103982 A3 WO2008103982 A3 WO 2008103982A3 US 2008054874 W US2008054874 W US 2008054874W WO 2008103982 A3 WO2008103982 A3 WO 2008103982A3
Authority
WO
WIPO (PCT)
Prior art keywords
target tissue
photodynamic therapy
photosensitizing substance
ultrasonic transducer
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2008/054874
Other languages
English (en)
Other versions
WO2008103982A2 (fr
Inventor
David L Chamberland
Xueding Wang
Paul Carson
David Wood
James Montie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Michigan System
University of Michigan Ann Arbor
Original Assignee
University of Michigan System
University of Michigan Ann Arbor
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Michigan System, University of Michigan Ann Arbor filed Critical University of Michigan System
Publication of WO2008103982A2 publication Critical patent/WO2008103982A2/fr
Publication of WO2008103982A3 publication Critical patent/WO2008103982A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
    • A61B5/0095—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying light and detecting acoustic waves, i.e. photoacoustic measurements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0601—Apparatus for use inside the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A61N5/062—Photodynamic therapy, i.e. excitation of an agent
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00039—Electric or electromagnetic phenomena other than conductivity, e.g. capacity, inductivity, Hall effect

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

L'invention concerne un système et un procédé pour surveiller une thérapie photodynamique d'un tissu cible, dans lequel le tissu cible contient une substance photosensibilisante, comprenant une première source lumineuse configurée pour adresser de la lumière au tissu cible, la première source lumineuse ayant une longueur d'onde capable d'exciter la substance photosensibilisante. Un transducteur à ultrasons reçoit des signaux photoacoustiques générés dus à l'absorption optique de l'énergie lumineuse par le tissu cible, et une unité de commande en communication avec le transducteur à ultrasons reconstruit des images tomographiques photoacoustiques à partir des signaux photoacoustiques reçus pour fournir une indication de dépôt d'énergie optique dû à la substance photosensibilisante dans le tissu cible.
PCT/US2008/054874 2007-02-23 2008-02-25 Système et procédé pour surveiller une thérapie photodynamique Ceased WO2008103982A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89128307P 2007-02-23 2007-02-23
US60/891,283 2007-02-23

Publications (2)

Publication Number Publication Date
WO2008103982A2 WO2008103982A2 (fr) 2008-08-28
WO2008103982A3 true WO2008103982A3 (fr) 2008-10-09

Family

ID=39710792

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/054874 Ceased WO2008103982A2 (fr) 2007-02-23 2008-02-25 Système et procédé pour surveiller une thérapie photodynamique

Country Status (2)

Country Link
US (1) US20080221647A1 (fr)
WO (1) WO2008103982A2 (fr)

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US10265047B2 (en) 2014-03-12 2019-04-23 Fujifilm Sonosite, Inc. High frequency ultrasound transducer having an ultrasonic lens with integral central matching layer
US10478859B2 (en) 2006-03-02 2019-11-19 Fujifilm Sonosite, Inc. High frequency ultrasonic transducer and matching layer comprising cyanoacrylate

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